CHCIO
ClCH2O\mathrm{ClCH}_{2} \mathrm{O}ClCH2O
CH2ClO\mathrm{CH}_{2} \mathrm{ClO}CH2ClO
C2H2OCl\mathrm{C}_{2} \mathrm{H}_{2} \mathrm{OCl}C2H2OCl